Zuko
Member
- First Name
- Andy
- Joined
- Jul 11, 2020
- Threads
- 4
- Messages
- 18
- Reaction score
- 2
- Location
- Los Angeles
- Vehicle(s)
- Honda Civic Hatchback EX 10th Gen
- Thread starter
- #1
I recently bought the 2020 Sport Diffuser and rerouted my exhaust to center mount. Ever since then my MPG has only hit 25.5-25.6 while it use to easily hit 30. My mufflers are still there and the only thing the muffler shop did was add a right angle pipe for it to sit in the middle. I don't know the mechanics behind the exahust flow but is the reason it gone down to 25 mpg is because the air needs more time to escape with the extra pipings?
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